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| author | Changbin Du <changbin.du@intel.com> | 2018-05-15 10:35:42 +0800 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2018-07-09 10:34:28 +0800 |
| commit | 79e542f5af79918e5e766c441561fb9bff8af3aa (patch) | |
| tree | 211fe11c64288815a2094b18cbc01c69ccfe7bc0 /drivers/gpu/drm/i915/gvt/gtt.c | |
| parent | eb3a353014d2c2402e572ab7bef86bf5e328160f (diff) | |
| download | linux-stable-79e542f5af79918e5e766c441561fb9bff8af3aa.tar.gz linux-stable-79e542f5af79918e5e766c441561fb9bff8af3aa.tar.bz2 linux-stable-79e542f5af79918e5e766c441561fb9bff8af3aa.zip | |
drm/i915/kvmgt: Support setting dma map for huge pages
To support huge gtt, we need to support huge pages in kvmgt first.
This patch adds a 'size' param to the intel_gvt_mpt::dma_map_guest_page
API and implements it in kvmgt.
v2: rebase.
Signed-off-by: Changbin Du <changbin.du@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/gtt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gtt.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c index 54c221dedfe8..e26c01da2bd6 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.c +++ b/drivers/gpu/drm/i915/gvt/gtt.c @@ -1106,7 +1106,7 @@ static int split_64KB_gtt_entry(struct intel_vgpu *vgpu, for (i = 0; i < GTT_64K_PTE_STRIDE; i++) { ret = intel_gvt_hypervisor_dma_map_guest_page(vgpu, - start_gfn + i, &dma_addr); + start_gfn + i, PAGE_SIZE, &dma_addr); if (ret) return ret; @@ -1152,7 +1152,7 @@ static int ppgtt_populate_shadow_entry(struct intel_vgpu *vgpu, }; /* direct shadow */ - ret = intel_gvt_hypervisor_dma_map_guest_page(vgpu, gfn, &dma_addr); + ret = intel_gvt_hypervisor_dma_map_guest_page(vgpu, gfn, PAGE_SIZE, &dma_addr); if (ret) return -ENXIO; @@ -2080,7 +2080,7 @@ static int emulate_ggtt_mmio_write(struct intel_vgpu *vgpu, unsigned int off, } ret = intel_gvt_hypervisor_dma_map_guest_page(vgpu, gfn, - &dma_addr); + PAGE_SIZE, &dma_addr); if (ret) { gvt_vgpu_err("fail to populate guest ggtt entry\n"); /* guest driver may read/write the entry when partial |